infile = open("nshort1")
ofile = open("nshorter1",'w')

count = 0
for line in infile.readlines():
    count += 1
    tokens = line.split()
    tokens[0] = float(tokens[0])
    tokens[0] += 65
    tokens[0] = str(tokens[0])
    if not count%50:
        ofile.write(tokens[3]+"\t"+tokens[0]+"\n")
